All we know about the upcoming Vita iteration of Call of Duty is that...it's coming out for the Vita. All that is about to change next week, as more information will come out at gamescom. So in other words, the game still exists.
Bungie adds support for moving Destiny items between characters online and in-app
8:00 AM on 02.27.2015
This 2015 D.I.C.E. Summit talk explains the entire history of Call of Duty's zombie mode
10:30 AM on 02.12.2015